Institution: | 1.Institute of Geology, Karelian Scientific Center, Russian Academy of Sciences, ul. Pushkinskaya 11, 185920, Petrozavodsk, Russia ;2.Karpinsky All-Russia Geological Research Institute, Srednii pr. 74, 199106, St. Petersburg, Russia ;3.St. Petersburg State University, Institute of Earth Sciences, Universitetskaya nab. 7/9, 197034, St. Petersburg, Russia ; |